(1) This regulation applies in relation to a directory of subscribers, whether in printed or electronic form, which is made available to members of the public or a section of the public, including by means of a directory enquiry service.

(2) The personal data of an individual subscriber shall not be included in a directory unless that subscriber has, free of charge, been -

(a) informed by the collector of the personal data of the purposes of the directory in which his personal data are to be included, and

(b) given the opportunity to determine whether such of his personal data as are considered relevant by the producer of the directory should be included in the directory.

(3) Where personal data of an individual subscriber are to be included in a directory with facilities which enable users of that directory to obtain access to that data solely on the basis of a telephone number -

(a) the information to be provided under paragraph (2)(a) shall include information about those facilities; and

(b) for the purposes of paragraph (2)(b), the express consent of the subscriber to the inclusion of his data in a directory with such facilities must be obtained.